Virtual roading is very similar to train simulators, but can be pursued instead of railfanning and/or model railroading. 

Riverside TimeSaver – operate a TimeSaver switching puzzle online.

Virtual Railroader – “Home of train/railroad simulators, virtual railroading and V-scale modeling”

The following are shelves for holding model trains for display.  These are handy if you have a large collection of trains and no place to display them.

Glenn Snyder Display Systems – http://www.gsds.com/

• HO/S Gauge $12 per 6 ft section
• O Gauge $15 per 6 ft section – I purchased and can recommend these.
• O/STD/LGB Gauge $25 per 6 ft section
• Aluminum extrusion
• UPS shipping additional

RailRax – http://www.railrax.net/

• HO/S gauge – $15.00 per 6 ft. section
• O gauge – $19.50 per 6 ft. section
• #1/ G/ Standard/O – $28.00 per 6 ft. section
• Aluminum Extrusion
• UPS/FedEx shipping additional

Dechants Model Railroad Display Shelves – http://www.mrtrain.com/products.asp?cat=10

• HO/O Gauge $15.75 per 4 ft section
• Reversible for HO or O Gauge
• Aluminum extrusion
• UPS shipping additional

ShelfTrax - http://www.shelftrax.com/woodenmodelrailroadshelfpage.html

• O, S, or On30 Gauge $35 per 6 ft section
• HO or N Gauge $24 per 6 ft section
• Wood moulding
• UPS shipping additional